2025/7/4 Update
Small rectangular sensor, pigtail stainless steel housing|Max. detection range 10 m
— ifm has launched robust photoelectric sensors with stainless steel housings, suitable for coolant applications. The O6 series photoelectric sensors can reliably detect positions in harsh environments. With special structural materials, these sensors are durable in applications where coolants are used.
— ifm has launched robust photoelectric sensors with stainless steel housings, suitable for coolant applications. The O6 series photoelectric sensors can reliably detect positions in harsh environments. With special structural materials, these sensors are durable in applications where coolants are used.
IFM O6H/O6T/O6P/O6S/O6E 400 Series Photoelectric Sensor

Technical Features
Products + Accessories Selection:
Type | Detection Range [mm] | Spot Diameter [mm] | Output | Order No. | ||
---|---|---|---|---|---|---|
Pigtail 5 m Cable | 0.3 m PUR Cable M12 Connector | 4-pin M8 Connector | ||||
Diffuse reflection sensor (with background suppression)![]() | 2…200 | 8 | 3-wire DC PNP | O6H402 | O6H404 | O6H400 |
2…200 | 8 | 3-wire DC NPN | O6H403 | O6H405 | O6H401 | |
Diffuse reflection sensor![]() | 5…500 | 15 | 3-wire DC PNP | O6T402 | O6T404 | O6T400 |
5…500 | 15 | 3-wire DC NPN | O6T403 | O6T405 | O6T401 | |
Polarized retro-reflective sensor![]() | 50…5000* | 150 | 3-wire DC PNP | O6P402 | O6P404 | O6P400 |
50…5000* | 150 | 3-wire DC NPN | O6P403 | O6P405 | O6P401 | |
Through-beam transmitter![]() | 0…10000 | 300 | 2-wire DC | O6S401 | O6S402 | O6S400 |
Through-beam receiver![]() | 0…10000 | – | 3-wire DC PNP | O6E402 | O6E404 | O6E400 |
0…10000 | – | 3-wire DC NPN | O6E403 | O6E405 | O6E401 |
Optional Accessories
Type | Description | Order No. |
---|---|---|
Mounting Set![]() | Mounting set for clamp mounting, stainless steel (requires mounting rod) | E21272 |
Mounting Rod![]() | Swivel mount mounting rod, stainless steel | E21081 |
Bracket![]() | Bracket for freestanding installation, stainless steel | E21271 |
Reflector![]() | 50 mm reflector | E20956 |
80 mm reflector | E20005 | |
Swivel Mount with Reflector![]() | Swivel mount with 50 mm reflector | E20997 |
Swivel mount with 80 mm reflector | E20995 |
Specifications:
- Light source type: Red light 633 nm
- Operating voltage: 10…30 VDC
- Current consumption: 20 mA
- Switching frequency: 1000 Hz
- Switching status indicator: Yellow LED
- Operation: Green LED
- Rated current: 100 mA
- Voltage drop: < 2.5 V
- Protection rating: IP65, IP67, IP68
- Ambient temperature: -25…60 °C
- Housing material: High-grade stainless steel (1.4404 / 316L)
- Lens material: PMMA
Benefits Introduce In Detail